Okurigana is the hiragana part that comes after the kanji

When a vocab word is a single kanji and alone, it’s usually going to have the same meaning from the kanji.

When a vocab is a single kanji and all alone, it’s usually going to use the kun’yomi reading.

When a vocab is a single kanji, with okurigana, it’s usually going to use the kun’yomi reading.

When a vocab is a single kanji and all alone, but is a number (exception), it uses the on’yomi reading instead.

Jukago is a kanji compound word. It usually uses the on’yomi reading.

There are no round things in kanji.

When a vocab’s okurigana makes the う sound, it’s often going to be a verb.

い at the end of a word often means it is an adjective.

さ on the end of a word is often the equivalent of “-ness.”

In other words, if you replace the い on the end of ab adjective with さ, you have a noun.

する means “to do”

した is the past tense form of する. So essentially “did.”

々(dōnojiten ) repeats the kanji that comes before it. This kanji shows up whenever there’s a repeating kanji, because it’s often easier to write than writing a more complicated kanji twice. This symbol is often called のま, because it looks like the katakana characters ノand マ.