Normal development for an 18 month old?

It sounds like your daughter is doing excellent. I wish my 19 month old son would talk. He only says momma and thats it. He just makes weird jibberish noises all day. He likes to immitate us and do what we do,but no speaking. He runs around like crazy and climbs everything. I think he's more interested in being a rowdy boy than trying to learn talking and stuff like that. I keep trying to narrate stuff to him, hoping he'll pick up the words. It sounds like everything your daughter is doing is right on track and don't worry.