Light
Sunlight
noun
The kanji and the word are exactly the same. That means they share meanings as well.
ひかり
Since this word is made up of a single kanji, it should use the kun'yomi reading. When learning the kanji, you didn't learn that reading, so here's a mnemonic to help you with this word:
You have a ton of sunlight where you live. This creates heat. With this sunlight heat you're able to make your favorite food in the world: hickory (ひかり) smoked bacon. Mmm, taste that delicious bacon.
太ようの光がまぶしいので、カーテンをしめてください。
The light from the sun is blinding, so please close the curtains.
月の光にてらされて、かなえちゃんの歯がまるでパールのように見えるよ。
In the moonlight, your teeth look just like pearls, Kanae.
北朝鮮で行方不明になったあなたの子供には、まだ微かに希望の光が残っている。
There is still a slight glimmer of hope left for your child who was lost in North Korea.