Leftarrow
The term "leftarrow" commonly refers to the leftwards arrow symbol (Unicode U+2190, named LEFTWARDS ARROW), a graphical glyph used to indicate direction, assignment, relation, or navigation toward the left. In digital text it can be represented by the Unicode character ←, the HTML entity ← (or numeric reference ←), and in TeX/LaTeX by the commands \leftarrow or \gets.
In mathematics and logic the leftwards arrow appears in various notations: it can show mapping or transformation
Typography and interface design use leftward arrows as icons for navigation (back buttons), undo actions, and