diff --git a/interior/interior_map.gd b/interior/interior_map.gd
index 1e2fd89..f3d9758 100644
--- a/interior/interior_map.gd
+++ b/interior/interior_map.gd
@@ -5,7 +5,7 @@ const _CHUNK_SIZE := 32
 const _GRID_ORIGIN := Vector2(0.5, 0.5)
 
 ##
-##
+## Cardinal orientation referencing the direction of a tile.
 ##
 enum Orientation {
 	NORTH,
@@ -176,7 +176,8 @@ func _notification(what: int) -> void:
 					multimesh_instance.set_offset_transform(global_transform)
 
 ##
-## Clears the entirety of the tile grid to only contain [code]tile[/code].
+## Clears the entirety of the tile grid to only contain tiles of instance [code]tile[/code] pointing
+## in the orientation of [code]orientation[/code].
 ##
 ## For clearing a specific region of the mesh grid, see [method fill_mesh].
 ##
@@ -218,7 +219,8 @@ func clear_tiles(orientation: Orientation, tile: InteriorTile) -> void:
 			_get_chunk(chunk_coordinate).invalidate(self, chunk_coordinate)
 
 ##
-## Clears the region of the tile grid at [code]area[/code] to only contain [code]tile[/code].
+## Clears the region of the tile grid at [code]area[/code] to only contain instances of
+## [code]tile[/code] pointing in the orientation of [code]orientation[/code].
 ##
 ## *Note* that [code]area[/code] *must* be within the area of the of the mesh grid, where
 ## [code]Vector2i.ZERO[/code] is the top-left and [member size] [code]- 1[/code] is the bottom-
@@ -282,14 +284,14 @@ func fill_tiles(area: Rect2i, orientation: Orientation, tile: InteriorTile) -> v
 				_get_chunk(chunk_coordinate).invalidate(self, chunk_coordinate)
 
 ##
-##
+## Returns the area of the interior map based on its current size.
 ##
 func get_area() -> Rect2i:
 	return Rect2i(Vector2i.ZERO, size)
 
 ##
-## Plots a single tile at [code]coordinates[/code] to be [code]tile[/code], overwriting whatever it
-## previously contained.
+## Plots a single tile at [code]coordinates[/code] to be an instance of [code]tile[/code] pointing
+## in the orientation of [code]orientation[/code], overwriting whatever it previously contained.
 ##
 ## *Note* that [code]coordinates[/code] *must* be within the area of the of the mesh grid, where
 ## [code]Vector2i.ZERO[/code] is the top-left and [member size] [code]- 1[/code] is the bottom-
@@ -324,9 +326,3 @@ func plot_tile(coordinates: Vector2i, orientation: Orientation, tile: InteriorTi
 			InteriorTile.Kind.WALL:
 				chunk.set_wall_mesh(coordinates % _CHUNK_SIZE, orientation, mesh)
 				chunk.invalidate(self, chunk_coordinates)
-
-##
-##
-##
-func world_to_grid(world_position: Vector2) -> Vector2i:
-	return Vector2i((world_position + (Vector2(size) * _GRID_ORIGIN)).round())
diff --git a/interior/interior_tile.gd b/interior/interior_tile.gd
index a654d86..7668d34 100644
--- a/interior/interior_tile.gd
+++ b/interior/interior_tile.gd
@@ -1,7 +1,7 @@
 class_name InteriorTile extends Resource
 
 ##
-##
+## Identifier for the kind of interior tile.
 ##
 enum Kind {
 	FLOOR,
@@ -9,19 +9,21 @@ enum Kind {
 }
 
 ##
-##
+## Flag for determining if the tile is affected by orientations specified in an [InteriorMap].
 ##
 @export
 var fixed_orientation := false
 
 ##
+## See [enum Kind].
 ##
+## Interior tiles of different kinds will not conflict when placing them.
 ##
 @export
 var kind := Kind.FLOOR
 
 ##
-##
+## Used to visualize the interior tile.
 ##
 @export
 var mesh: Mesh = null
diff --git a/player_controller.gd b/player_controller.gd
index 5f16ecc..4d62cbb 100644
--- a/player_controller.gd
+++ b/player_controller.gd
@@ -1,7 +1,10 @@
 class_name PlayerController extends Node3D
 
 ##
+## Selection action performed.
 ##
+## [code]PRIMARY[/code] refers to the default selection action, while [code]SECONDARY[/code] refers
+## to the secondary selection action.
 ##
 enum SelectAction {
 	PRIMARY,
@@ -22,7 +25,10 @@ enum SelectMode {
 signal select_mode_changed(mode: SelectMode)
 
 ##
-## Selection of a point on screenspace has started happening.
+## Selection of a point on the screen space has started happening, with [code]select_action[/code]
+## as selection action performed.
+##
+## See [enum SelectAction] for more details.
 ##
 signal selection_started(select_action: SelectAction)
 
@@ -179,19 +185,18 @@ func get_plane_cursor() -> Vector2:
 
 	return Vector2.ZERO
 
+##
+## Returns [code]true[/code] if the player controller is currently frozen, otherwise
+## [code]false[/code].
+##
 func is_frozen() -> bool:
 	assert(_control_override_count > -1, "control override count cannot be less than 0")
 
 	return _control_override_count != 0
 
 ##
-##
-##
-func in_select_area() -> bool:
-	return _select_mode != SelectMode.NONE
-
-##
-##
+## Overrides the controls of the player controller. When [code]unlock_signal[/code] is emitted, the
+## override is released.
 ##
 func override_controls(unlock_signal: Signal) -> void:
 	assert(_control_override_count > -1, "control override count cannot be less than 0")
diff --git a/user_interface/action_prompt.gd b/user_interface/action_prompt.gd
index ded869a..ca662d6 100644
--- a/user_interface/action_prompt.gd
+++ b/user_interface/action_prompt.gd
@@ -2,18 +2,21 @@
 class_name ActionPrompt extends Control
 
 ##
-##
+## The prompt accept button has been pressed.
 ##
 signal prompt_accepted()
 
 ##
-##
+## The prompt has been started.
 ##
 signal prompted()
 
 @export
 var _accept_button: BaseButton = null
 
+##
+## The initial control focused on when it is prompted or [code]null[/code] for no default.
+##
 @export
 var initial_focus: Control = null
 
@@ -33,7 +36,9 @@ func _ready() -> void:
 		hide())
 
 ##
+## Starts the prompt, emitting [signal prompted].
 ##
+## [signal prompt_accepted] is emitted when the accept button in the action prompt is pressed.
 ##
 func prompt() -> void:
 	LocalPlayer.override_controls(hidden)
diff --git a/user_interface/selection_prompt.gd b/user_interface/selection_prompt.gd
index f9d0c41..3262c04 100644
--- a/user_interface/selection_prompt.gd
+++ b/user_interface/selection_prompt.gd
@@ -2,12 +2,12 @@
 class_name SelectionPrompt extends Control
 
 ##
-##
+## The prompt has been started.
 ##
 signal prompted()
 
 ##
-##
+## The item at index [code]selected_item[/code] has been selected in the prompt.
 ##
 signal prompt_selected(selected_item: int)
 
diff --git a/user_interface/worker_prompt.gd b/user_interface/worker_prompt.gd
index 8b037dc..112ffa0 100644
--- a/user_interface/worker_prompt.gd
+++ b/user_interface/worker_prompt.gd
@@ -1,31 +1,33 @@
 class_name WorkerPrompt extends Control
 
 ##
-##
+## The work being performed by the prompt has ended.
 ##
 signal prompt_completed()
 
 ##
-##
+## The prompt has been started.
 ##
 signal prompted()
 
 var _worker_thread := Thread.new()
 
 ##
-##
+## Used to display a message from the prompt or [code]null[/code] to not display anything.
 ##
 @export
 var label: Label = null
 
 ##
-##
+## Used to display the progress of the prompt or [code]null[/code] to not display anything.
 ##
 @export
 var progress: Range = null
 
 ##
+## Starts the prompt, emitting [signal prompted].
 ##
+## [signal prompt_completed] is emitted when the work being performed by the prompt has ended.
 ##
 func prompt(display_message: String, steps: Array) -> void:
 	LocalPlayer.override_controls(hidden)