Learning new or reviewing words and vocabulary.

Practicing, training or learning the alphabet* of your new language.

Doing exercises to improve your ability to hear the language.

Practicing using the keyboard of your target language.

Studying the grammar of your target language.

Learning a character (Kanji or Hanzi) writing system.

Learning about the sounds used in your target language.

Practicing your handwriting in the target language.

Using a language learning app to learn vocab or grammar or other things.

A catch all activity for when you make flashcards while not immersing.

Studying or preparing to take a language test of any level.