In an educational context, letters can refer to various concepts:

1. Alphabet letters: The basic symbols used in reading and writing.
2. Letter recognition: The ability to identify and name individual letters.
3. Letter-sound correspondence: Understanding the relationship between letters and the sounds they represent.
4. Letter writing: The skill of forming letters correctly in handwriting.
5. Letter grades: A system of evaluating student performance using letters (e.g., A, B, C, D, F).

Letters play a crucial role in early literacy development and continue to be important throughout a student‘s educational journey.