The standard biometric symbol imprinted at the bottom of the cover page.

On a road map, it is a standard symbol for historical ruins.

The standard biometric symbol is placed on the bottom right.

The word "Passport" is inscribed at the bottom of the cover just above a standard biometric symbol.

Road signs use standard international symbols and Swedish text.

It is an inverted form of the standard symbol "?"

The standard biometric symbol appears at the bottom of the front cover.

In fact, it's become a standard symbol representing the Crucifixion.

The standard symbol of the straight edge groups are an "X" on the back of each hand.

These standard symbols and their values are called mathematical constants.