Read these out loud.
As x approaches a.
As x approaches a, f(x) approaches c.
or
As x approaches a, the limit of f(x) is c.
As x approaches a from the left, f(x) approaches c.
As x approaches a from the right, f(x) approaches c.
For all x greater than 0
There exists x \gt 0
The absolute value of the difference between x and c is less than delta.