1. Reading this poem, I can picture the speaker, who has so much to say.

Question

2. When I read this poem, I can picture the speaker,and he has so much to say.

3. While I read this poem, I can picture the speaker,and he has so much to say.

(Does #1 mean #2 or #3? Are the all the same?)

Answer 1

All mean the same thing, yes.