## Rectangle

square

$\square$

\square
box

$\Box$

\Box

It is important to note that "Box" is spelled with an uppercase "B".

box and cross

$\boxplus$

\boxplus

A "+" sign (plus) is placed inside the box.

box and line

$\boxminus$

\boxminus

A "-" sign (minus) is placed inside the box.

box and x

$\boxtimes$

\boxtimes

A "times" (multiplication symbol) is placed inside the box.

box and dot

$\boxdot$

\boxdot

A dot is placed inside the box.

black square

$\blacksquare$

\blacksquare

A square shape that is filled in black.

diamond

$\diamond$

\diamond
diamond 2

$\Diamond$

\Diamond

When the "d" in "diamond" is capitalized, it represents a larger-sized diamond shape.

lozenge

$\lozenge$

\lozenge

The "lozenge" is a term used to refer to a diamond.

black lozenge

$\blacklozenge$

\blacklozenge

A lozenge shape that is filled in black.

boxed text

$\boxed{ abc }$

\boxed{ abc }

The "\boxed" is used to enclose an equation within a box.

boxed text 2

$\fbox{ abc }$

\fbox{ abc }

The "\fbox" is used to enclose text within a frame.

boxed text 3

$\bbox[yellow, 5pt, border: 2px dotted red]{abc}$

\bbox[yellow, 5pt, border: 2px dotted red]{abc}

The "\bbox" is not a native command in $\TeX$, but it can be used in MathJax to finely customize the appearance of a framed box around text or equation. It allows you to specify various settings such as background color, margin, and style by separating them with commas within the brackets, while the equation is written within braces. The "\bbox" is derived from "bounding box".

Formula
Symbol
Text
Other