diff --git a/examples/pieces.rs b/examples/pieces.rs
index 0f63213..ebeca88 100644
--- a/examples/pieces.rs
+++ b/examples/pieces.rs
@@ -83,7 +83,7 @@ fn setup(
                     },
                     ..default()
                 })
-                .insert(InheritOutlinePlane);
+                .insert(InheritOutlineDepth);
             parent
                 .spawn_bundle(PbrBundle {
                     mesh: meshes.add(
@@ -108,7 +108,7 @@ fn setup(
                     },
                     ..default()
                 })
-                .insert(InheritOutlinePlane);
+                .insert(InheritOutlineDepth);
         });
 
     // Add plane, light source, and camera
diff --git a/src/computed.rs b/src/computed.rs
index 94a8621..f47b0da 100644
--- a/src/computed.rs
+++ b/src/computed.rs
@@ -1,27 +1,27 @@
 use bevy::prelude::*;
 
-/// A component for storing the computed plane on which the outline lies.
+/// A component for storing the computed depth at which the outline lies.
 #[derive(Clone, Component, Default)]
-pub struct ComputedOutlinePlane {
+pub struct ComputedOutlineDepth {
     pub(crate) plane: Vec3,
 }
 
-/// A component which specifies that this entity lies on the same plane as its parent.
+/// A component which specifies that this entity lies at the same depth as its parent.
 #[derive(Clone, Component, Default)]
-pub struct InheritOutlinePlane;
+pub struct InheritOutlineDepth;
 
 #[allow(clippy::type_complexity)]
-pub(crate) fn compute_outline_plane(
+pub(crate) fn compute_outline_depth(
     mut root_query: Query<
         (
-            &mut ComputedOutlinePlane,
+            &mut ComputedOutlineDepth,
             &GlobalTransform,
             Changed<GlobalTransform>,
             Option<(&Children, Changed<Children>)>,
         ),
-        Without<InheritOutlinePlane>,
+        Without<InheritOutlineDepth>,
     >,
-    mut computed_query: Query<(&mut ComputedOutlinePlane, Changed<InheritOutlinePlane>)>,
+    mut computed_query: Query<(&mut ComputedOutlineDepth, Changed<InheritOutlineDepth>)>,
     child_query: Query<(&Children, Changed<Children>)>,
 ) {
     for (mut computed, transform, changed_transform, children) in root_query.iter_mut() {
@@ -32,7 +32,7 @@ pub(crate) fn compute_outline_plane(
         if let Some((cs, changed_children)) = children {
             let changed2 = changed_children || changed_transform;
             for child in cs.iter() {
-                propagate_outline_planes(
+                propagate_outline_depth(
                     &computed,
                     changed2,
                     *child,
@@ -44,11 +44,11 @@ pub(crate) fn compute_outline_plane(
     }
 }
 
-fn propagate_outline_planes(
-    root_computed: &ComputedOutlinePlane,
+fn propagate_outline_depth(
+    root_computed: &ComputedOutlineDepth,
     changed: bool,
     entity: Entity,
-    computed_query: &mut Query<(&mut ComputedOutlinePlane, Changed<InheritOutlinePlane>)>,
+    computed_query: &mut Query<(&mut ComputedOutlineDepth, Changed<InheritOutlineDepth>)>,
     child_query: &Query<(&Children, Changed<Children>)>,
 ) {
     if let Ok((mut computed, changed_inherit)) = computed_query.get_mut(entity) {
@@ -58,7 +58,7 @@ fn propagate_outline_planes(
         if let Ok((cs, changed_children)) = child_query.get(entity) {
             let changed2 = changed_children || changed_inherit || changed;
             for child in cs.iter() {
-                propagate_outline_planes(
+                propagate_outline_depth(
                     root_computed,
                     changed2,
                     *child,
diff --git a/src/lib.rs b/src/lib.rs
index 56b7b51..0355c6b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -94,14 +94,14 @@ pub struct Outline {
 pub struct OutlineBundle {
     pub outline: Outline,
     pub stencil: OutlineStencil,
-    pub plane: ComputedOutlinePlane,
+    pub plane: ComputedOutlineDepth,
 }
 
 /// A bundle for stenciling meshes in the outlining pass.
 #[derive(Bundle, Clone, Default)]
 pub struct OutlineStencilBundle {
     pub stencil: OutlineStencil,
-    pub plane: ComputedOutlinePlane,
+    pub plane: ComputedOutlineDepth,
 }
 
 /// Adds support for rendering outlines.
@@ -130,7 +130,7 @@ impl Plugin for OutlinePlugin {
             .add_plugin(UniformComponentPlugin::<OutlineViewUniform>::default())
             .add_system_to_stage(
                 CoreStage::PostUpdate,
-                compute_outline_plane.after(TransformSystem::TransformPropagate),
+                compute_outline_depth.after(TransformSystem::TransformPropagate),
             )
             .sub_app_mut(RenderApp)
             .init_resource::<DrawFunctions<StencilOutline>>()
diff --git a/src/uniforms.rs b/src/uniforms.rs
index 41639cf..bf57a1b 100644
--- a/src/uniforms.rs
+++ b/src/uniforms.rs
@@ -13,7 +13,7 @@ use bevy::{
     },
 };
 
-use crate::{pipeline::OutlinePipeline, ComputedOutlinePlane, Outline, OutlineStencil};
+use crate::{pipeline::OutlinePipeline, ComputedOutlineDepth, Outline, OutlineStencil};
 
 #[derive(Clone, Component, ShaderType)]
 pub struct OutlineStencilUniform {
@@ -44,7 +44,7 @@ pub struct OutlineBindGroup {
 
 pub fn extract_outline_stencil_uniforms(
     mut commands: Commands,
-    query: Extract<Query<(Entity, &ComputedOutlinePlane), With<OutlineStencil>>>,
+    query: Extract<Query<(Entity, &ComputedOutlineDepth), With<OutlineStencil>>>,
 ) {
     for (entity, computed) in query.iter() {
         commands.get_or_spawn(entity).insert(OutlineStencilUniform {
@@ -55,7 +55,7 @@ pub fn extract_outline_stencil_uniforms(
 
 pub fn extract_outline_uniforms(
     mut commands: Commands,
-    query: Extract<Query<(Entity, &Outline, &ComputedOutlinePlane)>>,
+    query: Extract<Query<(Entity, &Outline, &ComputedOutlineDepth)>>,
 ) {
     for (entity, outline, computed) in query.iter() {
         if !outline.visible || outline.colour.a() == 0.0 {