What is re point or re tucking a chimney? Thank you for the answers on my chimney. So I don't sound...

Thank you for the answers on my chimney. So I don't sound approaching an idot when I call someone on the repair. I resembling to know as much information as possible on the subject so I'm not taken advantage of.
Answers:    Tuckpointing is when you remove the weak mortar or cement in between the bricks,later you replace with clean mortar.Get several estimates,always obtain references for the workers bygone jobs.
tucking is a permanent status rarely used anymore, similar to pointing.
re pointing is simply putting mortar into joint where is have fallen out.