He swam to the side of the creek so he could rest.
Let's think of other words that have meanings that are similar to the word creek.
Remember that a creek is a small moving body of water. Think of other words that are also names for moving bodies of water.
Streams and brooks are small moving bodies of water. They are very similar to creeks. Rivers are also moving bodies of water, but they are much bigger and deeper, and their water moves much faster than creeks. A creek is like a very small river.