diff --git a/R/layout-stack-.R b/R/layout-stack-.R
index 61d665f4..60056eda 100644
--- a/R/layout-stack-.R
+++ b/R/layout-stack-.R
@@ -8,9 +8,9 @@
 #'
 #' Several aliases are provided for convenience:
 #' - `stack_discretev` and `stack_alignv`: A special case of `stack_discrete`
-#'   that sets `direction = "vertical"`.
+#'   that sets `direction = "v"`.
 #' - `stack_discreteh` and `stack_alignh`: A special case of `stack_discrete`
-#'   that sets `direction = "horizontal"`.
+#'   that sets `direction = "h"`.
 #'
 #' @param direction A string indicating the direction of the stack layout,
 #' either `"h"`(`horizontal`) or `"v"`(`vertical`).
@@ -24,10 +24,10 @@
 #' plots in the layout.
 #'
 #' @param sizes A numeric value or a [`unit`][grid::unit] object. When used for
-#' the [`quad_layout()`] annotation, it must be of length `1`. When used in
-#' the [`stack_layout()`] with a nested [`quad_layout()`], it should be of
-#' length `3`, specifying the relative heights (for `direction = "horizontal"`) 
-#' or widths (for `direction = "vertical"`) to be applied to the layout.
+#' the [`quad_layout()`] annotation, it must be of length `1`. When used in the
+#' [`stack_layout()`] with a nested [`quad_layout()`], it should be of length
+#' `3`, specifying the relative heights (for `direction = "h"`) or widths (for
+#' `direction = "v"`) to be applied to the layout.
 #'
 #' @examples
 #' set.seed(123)
@@ -110,9 +110,9 @@ stack_discrete.formula <- stack_discrete.function
 #' variables. The alias `stack_free` is retained for historical reasons.
 #'
 #' - `stack_continuousv()`/`stack_freev`: A special case of `stack_free` that
-#'   sets `direction = "vertical"`.
+#'   sets `direction = "v"`.
 #' - `stack_continuoush()`/`stack_freeh`: A special case of `stack_free` that
-#'   sets `direction = "horizontal"`.
+#'   sets `direction = "h"`.
 #'
 #' @param data `r rd_layout_data()`, [`fortify_data_frame()`] will be used to
 #'    convert data to a data frame. Note that if the data is a `matrix`, it will
diff --git a/man/stack_continuous.Rd b/man/stack_continuous.Rd
index 5c012ef2..99be496d 100644
--- a/man/stack_continuous.Rd
+++ b/man/stack_continuous.Rd
@@ -57,10 +57,10 @@ inherit from the parent \code{layout}. It also controls the panel spacing for al
 plots in the layout.}
 
 \item{sizes}{A numeric value or a \code{\link[grid:unit]{unit}} object. When used for
-the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in
-the \code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of
-length \code{3}, specifying the relative heights (for \code{direction = "horizontal"})
-or widths (for \code{direction = "vertical"}) to be applied to the layout.}
+the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in the
+\code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of length
+\code{3}, specifying the relative heights (for \code{direction = "h"}) or widths (for
+\code{direction = "v"}) to be applied to the layout.}
 }
 \description{
 \ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#stable}{\figure{lifecycle-stable.svg}{options: alt='[Stable]'}}}{\strong{[Stable]}}
@@ -69,8 +69,8 @@ The \code{stack_continuous} function arranges plots by aligning continuous
 variables. The alias \code{stack_free} is retained for historical reasons.
 \itemize{
 \item \code{stack_continuousv()}/\code{stack_freev}: A special case of \code{stack_free} that
-sets \code{direction = "vertical"}.
+sets \code{direction = "v"}.
 \item \code{stack_continuoush()}/\code{stack_freeh}: A special case of \code{stack_free} that
-sets \code{direction = "horizontal"}.
+sets \code{direction = "h"}.
 }
 }
diff --git a/man/stack_cross.Rd b/man/stack_cross.Rd
index 2883b978..0aea1797 100644
--- a/man/stack_cross.Rd
+++ b/man/stack_cross.Rd
@@ -28,10 +28,10 @@ inherit from the parent \code{layout}. It also controls the panel spacing for al
 plots in the layout.}
 
 \item{sizes}{A numeric value or a \code{\link[grid:unit]{unit}} object. When used for
-the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in
-the \code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of
-length \code{3}, specifying the relative heights (for \code{direction = "horizontal"})
-or widths (for \code{direction = "vertical"}) to be applied to the layout.}
+the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in the
+\code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of length
+\code{3}, specifying the relative heights (for \code{direction = "h"}) or widths (for
+\code{direction = "v"}) to be applied to the layout.}
 }
 \description{
 \ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#experimental}{\figure{lifecycle-experimental.svg}{options: alt='[Experimental]'}}}{\strong{[Experimental]}}
diff --git a/man/stack_discrete.Rd b/man/stack_discrete.Rd
index 1a87633c..cc9feec2 100644
--- a/man/stack_discrete.Rd
+++ b/man/stack_discrete.Rd
@@ -37,10 +37,10 @@ inherit from the parent \code{layout}. It also controls the panel spacing for al
 plots in the layout.}
 
 \item{sizes}{A numeric value or a \code{\link[grid:unit]{unit}} object. When used for
-the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in
-the \code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of
-length \code{3}, specifying the relative heights (for \code{direction = "horizontal"})
-or widths (for \code{direction = "vertical"}) to be applied to the layout.}
+the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in the
+\code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of length
+\code{3}, specifying the relative heights (for \code{direction = "h"}) or widths (for
+\code{direction = "v"}) to be applied to the layout.}
 }
 \description{
 \ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#stable}{\figure{lifecycle-stable.svg}{options: alt='[Stable]'}}}{\strong{[Stable]}}
@@ -51,9 +51,9 @@ The \code{stack_discrete} function arranges plots by aligning discrete variables
 Several aliases are provided for convenience:
 \itemize{
 \item \code{stack_discretev} and \code{stack_alignv}: A special case of \code{stack_discrete}
-that sets \code{direction = "vertical"}.
+that sets \code{direction = "v"}.
 \item \code{stack_discreteh} and \code{stack_alignh}: A special case of \code{stack_discrete}
-that sets \code{direction = "horizontal"}.
+that sets \code{direction = "h"}.
 }
 }
 \examples{
diff --git a/man/stack_switch.Rd b/man/stack_switch.Rd
index 579ce874..d8eaa421 100644
--- a/man/stack_switch.Rd
+++ b/man/stack_switch.Rd
@@ -11,10 +11,10 @@ stack_active(sizes = NULL, ...)
 }
 \arguments{
 \item{sizes}{A numeric value or a \code{\link[grid:unit]{unit}} object. When used for
-the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in
-the \code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of
-length \code{3}, specifying the relative heights (for \code{direction = "horizontal"})
-or widths (for \code{direction = "vertical"}) to be applied to the layout.}
+the \code{\link[=quad_layout]{quad_layout()}} annotation, it must be of length \code{1}. When used in the
+\code{\link[=stack_layout]{stack_layout()}} with a nested \code{\link[=quad_layout]{quad_layout()}}, it should be of length
+\code{3}, specifying the relative heights (for \code{direction = "h"}) or widths (for
+\code{direction = "v"}) to be applied to the layout.}
 
 \item{what}{What should get activated for the stack layout?
 A single number or string of the plot elements in the layout. If \code{NULL}, will remove any active context, this is useful when the active context is a