Here are some questions about the meaning of the sentences using in Friends.
1. there are people like Ross who need to shoot for the stars? (what is "shoot for star "mean?)
2. here is the deal
3. Well, y'know, these people are pros. They know what they're doing, they take their time, they get the job done.

Question

Answer

1. there are people like Ross who need to shoot for the stars? (what is "shoot for star "mean?)
Ans: Strive for the highest achievement
2. here is the deal 
Ans: [ here is a proposition/proposal]
3. Well, y'know, these people are pros
 Ans: .[ pros= shortened form of the word professionals]
 They know what they're doing, they take their time, they get the job done.

Answer

Shoot for the stars= Reach beyond the expectations you have for yourself.
Set unreasonable goals.

Answer

shoot for star - (in this sentence) - need to keep at high priority
here is the deal - this is the deal in front of you..
in 3rd  sentence i didnt get what exactly you want...

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