HTML character codes for this ▲ or this ▼

The Big and small black triangles facing the 4 directions can be represented thus:

▲ ▲

▴ ▴

▶ ▶

▸ ▸

► ►

▼ ▼

▾ ▾

◀ ◀

◂ ◂

◄ ◄