needsymbol
nounUK /ˈniːdˌsɪmbəl/
US /ˈniːdˌsɪmbəl/
A needsymbol is a little picture or sign that shows something you must have.
The teacher put a needsymbol of a water drop on the chart to remind us to drink.
OTHER MEANINGS
2. A small drawing used on a map or form to stand for something people require.
The form used a needsymbol to show where food was needed.
3. A computer character that stands for a missing or required item.
The program showed a needsymbol where the password should go.
4. A badge or sticker that tells others what a person needs.
He wore a needsymbol on his bag so helpers knew he needed quiet.