Calligrams - A calligram is a poem, phrase, or word in which the typeface, calligraphy or handwriting is arranged in a way that creates a visual image. The image created by the words expresses visually what the word, or words, say. In a poem, it manifests visually the theme presented by the text of the poem. 

Pictograms -A pictogram, also called a pictogramme, pictograph, or simply picto, and also an 'icon is an ideogram that conveys its meaning through its pictorial resemblance to a physical object. Pictographs are often used in writing and graphic systems in which the characters are to a considerable extent pictorial in appearance.

Rebus -A rebus is an allusional device that uses pictures to represent words or parts of words.