What term is widely recognized for describing an expression?

The term that is widely recognized for describing an expression in the context of programming and technical documentation is "Remarks." Remarks refer to additional explanations or notes about code, design decisions, or specifications that provide insights to the reader. They help clarify the intent behind certain expressions or code sections, making it easier for others to understand and maintain.

In programming environments or documentation, remarks serve a crucial purpose as they can clarify complex logic or provide context that is not immediately obvious from the code or expression alone. By including remarks, a developer ensures that anyone reading the expression can grasp the rationale and considerations that went into creating it, leading to better collaboration and knowledge sharing.

The other terms may carry meanings in different contexts but do not specifically relate to the act of providing context or explanations for expressions in the same manner as remarks.