He drew a picture of a happy dog.

Meaning: This sentence describes someone creating an artwork that portrays a cheerful dog.

Choice of Words: Drew means to create a picture or design by making lines on a surface. Picture is a representation of something drawn, painted, or photographed. Happy means feeling or showing pleasure or contentment. Dog is a common household pet. When you put them together, "He drew a picture of a happy dog" means he created a drawing that depicts a joyful canine.