Meaning : On the day preceding today.
Example :
Yesterday the weather was beautiful.
Meaning : In the recent past. Only a short time ago.
Example :
I was not born yesterday!.
Meaning : The day immediately before today.
Example :
It was in yesterday's newspapers.
Translation in other languages :
Meaning : The recent past.
Example :
Yesterday's solutions are not good enough.
We shared many yesterdays.