“What did you do this weekend?” “I worked in the yard, 'mostly'.” [=I spent most of my time working in the yard]
The people at the concert were 'mostly' older people. [=most of the people were older people]
He gets around 'mostly' [='mainly, chiefly'] by car. [=he usually uses a car to get around]
(..) which will turn into a good year, which will turn into a good life! So, big day. New school. New friends. I know. I'm kind of nervous but I'm mostly excited. - How do I look? Do you like my quote? - Very cute. You gonna be okay. You want us to walk with you? Mom and Dad, with us in public. (..)2015 Inside Out
(..) no place for her to go. So. She's good. We're good. It's all great. Anyway. These are Riley's memories. And they are mostly happy if you notice, not to brag. But the really important ones are over here. I don't want to get too technical but these are called (..)2015 Inside Out