General terms:
* Convention: This refers to a widely accepted practice or custom. It's something that people generally do, often without questioning why.
* Norm: Similar to convention, this refers to a standard or typical way of doing things.
* Practice: This refers to a customary or usual way of doing something, often based on experience.
* Custom: This refers to a long-established practice or tradition.
* Standard: This refers to a set of rules or specifications that are generally accepted as the correct way to do something.
More specific terms:
* Protocol: This refers to a set of established procedures or rules for a specific task or situation.
* Methodology: This refers to a systematic approach to conducting research or completing a task.
* Procedure: This refers to a series of steps to be followed in a specific process.
* Formality: This refers to the level of formality involved in the way something is done.
* Usage: This refers to the way in which a word, phrase, or object is typically used.
The best term to use will depend on the context. For example, you might use "convention" to describe the way people greet each other in a particular culture, "standard" to describe the way a company handles customer service, and "protocol" to describe the steps involved in a scientific experiment.