General:
* Parts: This is a very general term that can be used for any individual piece of something.
* Elements: This word implies that the individual pieces are essential to the whole.
* Constituents: This word implies that the individual pieces make up the whole.
* Ingredients: This word is often used for the parts of a mixture or recipe.
* Factors: This word is often used for the parts of a complex system.
* Units: This word is often used for interchangeable parts or building blocks.
Specific:
* Modules: This word suggests self-contained units with specific functions.
* Subsystems: This word suggests smaller systems that work together to form a larger system.
* Features: This word emphasizes the individual characteristics or capabilities of something.
* Pieces: This word is less formal and emphasizes the individual parts.
Technical:
* Subassemblies: This word is used in engineering and manufacturing to refer to parts that are assembled together to create a larger part.
* Modules: This word is used in computer science to refer to self-contained units of code.
* Attributes: This word emphasizes the properties or characteristics of something.
The best word to use will depend on the specific context. Consider what you want to emphasize and choose the word that best reflects your meaning.