**Q: **Is notation a system of graphics or symbols? ¶

**A: **Yes, and characters and abbreviated expressions, used in artistic and scientific disciplines to represent technical facts and quantities by convention.

**Q: **Is notation a collection of related symbols that are each given an arbitrary meaning? ¶

**A: **Yes, and created to facilitate structured communication within a domain knowledge or field of study.

**Q: **Is notation used when formulating physics in the language of tensors? ¶

**A: **Yes.

**Q: **Is notation used to represent various kinds of mathematical ideas? ¶

**A: **Yes.

**Q: **Is notation an identifier naming convention in computer programming? ¶

**A: **Yes, that represents the type or intended use of a variable with a specific pattern within its name.