Visual upgrades can add flags or other symbols to almost any part of the plane.

The essential point is that somebody must be at work adding new symbols and new circumlocutions to a language.

Variations on the layout will add additional symbols to unassigned compartments toward the top.

For this reason, you can add extra symbols, numbers or letters to show where the spaces should go.

The Birthday committee posts students' birthdays on the monthly school calendar and adds creative symbols.

The latter may involve adding letters and symbols from other alphabets or creating an entirely new one.

The international System of Units does not allow to use suffixes or add symbols.

Adding text or symbols communicate language and add to the blanket's storytelling aspect.

If a theory does not have quantifier elimination, one can add additional symbols to its signature so that it does.

Manufacturers sometimes identify the products that have received such certification by adding particular graphical symbols to the label.