port of entry
point of entry

First, walk around your home and look at all possible entry points.

But in any case, a woman should be able to become part of the system at just one entry point.

But now, the point of entry into the system will change.

The entry point for this system is on the far side of the sun.

All they had to do was sit at the entry point and wait.

The main points of entry to the senior school are 11+, 13+ and 16+.

Do they have a point of entry into this process?

The list finally passed the 1,000 entry point in March, 1993.

"Our entry point has been lower than prices available today."

"The point of entry is the computer stuff, but then they can really go all out."