She said, “Go to Learners Dictionary dot com [=the Web site www.learnersdictionary.com] for more information.”
She arrived at 3 o'clock 'on the dot'. = She arrived 'on the dot of' 3. [=she arrived exactly at 3 o'clock]
We need some extra time to 'dot the i's and cross the t's' on the report.
(..) Oh damn... It must be the only northern girl with all her teeth. There's a note with it. "I'll be in Paris next week. I'm waiting for your call." "Dot dot dot." You know what "Dot dot dot" means, right? What does it mean? - That's good? - Of course it's good, she wants you. One dot, two dots, three dots, she wants you, end of the story. I'm gonna score... Feels good, doesn't it? - I'm too excited to sleep. - But you will. (..)2011 Intouchables