Question

and
 /ˈænd, ənd, ən/  conj  
  1
  — used to join words or groups of words
   We have ice cream and cake for dessert.
   He's feeling strong and healthy.
   She answered quickly and confidently.
   He swerved and avoided an accident.
   She's the club's secretary and treasurer.
   He walked into the room and sat down at the table.
   an actor who is tall, dark, and handsome
  2 : added to : plus
   2 and 2 equals 4.
  3 a
  — used to describe an action that is repeated or that occurs for a long time
   The dog barked and barked.
   She cried and cried.
  3 b
  — used to repeat a word for emphasis
   You and you alone are responsible for correcting these errors.
   There were hundreds and hundreds of people there.
   The project is becoming more and more expensive.
   The work is getting harder and harder.
  4 a
  — used to describe actions that occur at the same time
   They walked and talked.
   We sat and waited for hours.
  4 b
  — used to describe an action that occurs after another action
   They drove five miles and stopped to eat.
   He promised to come and didn't.
  4 c
  — used to describe an action that occurs after and is caused by another action
   I told him to go and he went.
  5
  — used after go, come, try, write, etc., to indicate the purpose of an action
   Why don't you go/come and see her? [=go/come to see her]
   I'll try and do it. [=I'll try to do it]
   Promise that you'll write and tell me [=write to tell me] about your vacation.
  6
  — used to indicate a choice
   You have to choose between him and me.
  7
  — used to start a new sentence or clause that continues or adds to a previous sentence or clause
   These problems have been occurring for many years, as everyone acknowledges. And of course they are going to continue unless something is done.
   Critics of the administration–and there many of them–have objected to the new plan.
   “Well, I've spoken to him…” “And?” “And he said yes!”
  8 a
  — used after hundred and thousand when saying a number aloud
   a/one hundred and twenty-four [=124]
   two thousand and sixty-five [=2,065]
  8 b
  — used when saying aloud a number that is followed by a fraction
   seven and three quarters [=73/4]
   One and a half years have passed since then. = A year and a half has passed since then.
  9
  — used to indicate the point where two streets meet or cross
   a restaurant located at (the corner of) Main Street and First Avenue