Instance, Example
noun
One example is just an instance of what you're describing. Just one example.
いちれい
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
これはほんの一例にすぎません。
This is just one example.
画像は一例です。
The image is just an example.
こちらのエピソードはあくまで一例です。
This episode is just one example.