This is the text box line editor.

Use the arrow keys to move the cursor, and CTRL+Left/Right or ALT+Left/Right to move by word. CTRL+Home/End moves to the start/end.

Type to edit the lines.

The special codes listed at the bottom of the screen can be used to embed variable words/numbers into the text.

Press CTRL+SPACE to choose special characters to insert at the current cursor location.

CTRL+C Copies the current line.

CTRL+V Pastes the previously copied line, replacing the line that the cursor is on.

CTRL+BACKSPACE or ALT+BACKSPACE deletes the previous word, and CTRL+DELETE or ALT+DELETE deletes the next word.