A háček, ⟨ ˇ ⟩.
An indicator, often a blinking line or bar, indicating where the next insertion or other edit will take place. Also called a cursor.
A circumflex, ⟨ ＾ ⟩.
A mark ⟨ ‸ ⟩ used by writers and proofreaders to indicate that something is to be inserted at that point.
háček