Answer: Sleepy beacuse you cant really tell if a person is sleepy by their facial expressionn but you can tell if theyre tired. Yes tired and sleepy are different in terms and meanings.
Sleepy- needing or ready for sleep.
Tired- in need of sleep or rest; weary, or bored, or in bad condition
You can compare emotion and message.
The difference is when you draw by memory you won't remember every tiny detail, and you make/draw it in your own way vs. having the object in front of you you can copy it almost exactly.
Medium: Any material used to create art.
Proportion: A principle of design that refers to the size relationship of an art work to each other and to the whole.
Technique: The manner in which the artist controls his medium to achieve the desired effect
