diff --git a/runtime/help/copy_selection_on_prev_line.txt b/runtime/help/copy_selection_on_prev_line.txt
new file mode 100644
index 000000000..f2b4425fe
--- /dev/null
+++ b/runtime/help/copy_selection_on_prev_line.txt
@@ -0,0 +1,18 @@
+`copy_selection_on_prev_line`
+
+Copies the current primary selection to the first previous line long enough to accomodate it.
+
+--- Examples ---
+
+The selection is copied from line 1 to line 2.
+┌───────────────────────────┐     ┌───────────────────────────┐
+│ This is text on line 1.   │ --> │ This is text [on line 1]. │
+│ This is text [on line 2]. │     │ This is text [on line 2]. │
+└───────────────────────────┘     └───────────────────────────┘
+
+The selection duplication skips line 2 because it is too short.
+┌──────────────────────────────────┐     ┌──────────────────────────────────┐
+│ This is a longer line of text.   │     │ This is a longer li[ne of t]ext. │
+│ This is a shorter line.          │ --> │ This is a shorter line.          │
+│ This is another lon[ger lin]e.   │     │ This is another lon[ger lin]e.   │
+└──────────────────────────────────┘     └──────────────────────────────────┘
diff --git a/runtime/help/extend_char_left.txt b/runtime/help/extend_char_left.txt
new file mode 100644
index 000000000..2e87ef608
--- /dev/null
+++ b/runtime/help/extend_char_left.txt
@@ -0,0 +1,3 @@
+`extend_char_left`
+
+Extending version of `move_char_left`.
diff --git a/runtime/help/extend_char_right.txt b/runtime/help/extend_char_right.txt
new file mode 100644
index 000000000..7568169f9
--- /dev/null
+++ b/runtime/help/extend_char_right.txt
@@ -0,0 +1,3 @@
+`extend_char_right`
+
+Extending version of `move_char_right`.
diff --git a/runtime/help/extend_line_down.txt b/runtime/help/extend_line_down.txt
new file mode 100644
index 000000000..f37497c53
--- /dev/null
+++ b/runtime/help/extend_line_down.txt
@@ -0,0 +1,3 @@
+`extend_line_down`
+
+Extending version of `move_line_down`.
diff --git a/runtime/help/extend_line_up.txt b/runtime/help/extend_line_up.txt
new file mode 100644
index 000000000..2adcbac6c
--- /dev/null
+++ b/runtime/help/extend_line_up.txt
@@ -0,0 +1,3 @@
+`extend_line_up`
+
+Extending version of `move_line_up`.
diff --git a/runtime/help/move_char_left.txt b/runtime/help/move_char_left.txt
new file mode 100644
index 000000000..2996f39a9
--- /dev/null
+++ b/runtime/help/move_char_left.txt
@@ -0,0 +1,3 @@
+`move_char_left`
+
+Moves all cursors 1 character left, removing any selections.
diff --git a/runtime/help/move_char_right.txt b/runtime/help/move_char_right.txt
new file mode 100644
index 000000000..485f9fe3d
--- /dev/null
+++ b/runtime/help/move_char_right.txt
@@ -0,0 +1,3 @@
+`move_char_right`
+
+Moves all cursors 1 character right, removing any selections.
diff --git a/runtime/help/move_line_down.txt b/runtime/help/move_line_down.txt
new file mode 100644
index 000000000..6571697dd
--- /dev/null
+++ b/runtime/help/move_line_down.txt
@@ -0,0 +1,13 @@
+`move_line_down`
+
+Moves all cursors 1 line down, removing any selections.
+Repeating this will remember the vertical position of the cursors, even when moving across shorter lines.
+
+--- Examples ---
+
+The cursor remembers its vertical position, even after moving across the shorter line.
+┌────────────────────────────┐     ┌────────────────────────────┐     ┌──────────────────────────────┐
+│ This is a longer l[i]ne.   │     │ This is a longer line.     │     │ This is a longer line.       │
+│ Shorter line.              │ --> │ Shorter line.[]            │ --> │ Shorter line.                │
+│ This is another long line. │     │ This is another long line. │     │ This is another lo[n]g line. │
+└────────────────────────────┘     └────────────────────────────┘     └──────────────────────────────┘
diff --git a/runtime/help/move_line_up.txt b/runtime/help/move_line_up.txt
new file mode 100644
index 000000000..0927bca1a
--- /dev/null
+++ b/runtime/help/move_line_up.txt
@@ -0,0 +1,13 @@
+`move_line_up`
+
+Moves all cursors 1 line up, removing any selections.
+Repeating this will remember the vertical position of the cursors, even when moving across shorter lines.
+
+--- Examples ---
+
+The cursor remembers its vertical position, even after moving across the shorter line.
+┌──────────────────────────────┐     ┌────────────────────────────┐     ┌────────────────────────────┐
+│ This is a longer line.       │     │ This is a longer line.     │     │ This is a longer l[i]ne.   │
+│ Shorter line.                │ --> │ Shorter line.[]            │ --> │ Shorter line.              │
+│ This is another lo[n]g line. │     │ This is another long line. │     │ This is another long line. │
+└──────────────────────────────┘     └────────────────────────────┘     └────────────────────────────┘
diff --git a/runtime/help/no_op.txt b/runtime/help/no_op.txt
new file mode 100644
index 000000000..b8e9d20cf
--- /dev/null
+++ b/runtime/help/no_op.txt
@@ -0,0 +1,3 @@
+`no_op`
+
+Does nothing. Use this to disable default keybinds.