Your Word Vault
Your Word Vault is your personal vocabulary collection.
Collecting Vocabulary
Add words manually when you encounter them in your daily life, from conversations, books, articles, videos, or podcasts.

Data model
Each word stores:
- Prompts: The words in your target language
- Answers: Translations in your native language
- Score: Your mastery level (-1 to 3)
- Seen Count: How many times you've practiced it
- Next Review: When you should review the word again
Each list stores:
- Name: The title of your list (e.g., "Travel", "Work terms")
- Prompt Language: The language the prompts (questions) are in
- Target Language: The language you are learning (answers are in this language)
- Words: All the words/questions that belong to the list
- Progress Stats: Analytics on your progress for this list, such as percent mastered.