Name: Aum
Also spelled "Om," in Hindu thought this image represents a sacred sound. Go here for a full article on Aum in Hinduism.
Name: Bindi
The "dot" on the forehead of the woman pictured to the left is called a bindi. It is worn by married women.
Go here for a full article on bindi, including more image. To learn about Diwali go here and Holi go here.)
Name: Linga
This is the symbol of the god, Shiva. For a full article on linga go here. For a full article on Shiva go here. Go here to read about Hindu deities.