That wall was the only changing element of his environment.

This is the only element of the church still present today.

The only common element in all three cases was the history.

The only common element was a lot of empty land between each.

The only element with any touch of reality was these sounds.

The group's founders say the words are the only elements that matter.

Of course, that was not the only element in the picture.

But that's not the only economic element at work here.

The only common element between these three people is a couch.

Until, the only common element he could think of stared at him right in the face.