It means taking all units as a whole.a.Individualb.Particularc.Uncombinedd.Aggregate

To address the question regarding the meaning of "taking all units as a whole," we need to analyze the provided options.

Option Analysis

1. a. Individual - This term refers to a single entity or unit rather than a collection of units.
2. b. Particular - This term indicates something specific or singular, similar to 'individual.'
3. c. Uncombined - This suggests a state where entities are not joined or mixed, implying separation rather than a whole.
4. d. Aggregate - This term encompasses the idea of combining multiple units into a single whole.

Conclusion

Based on the analysis of the terms, the correct answer is:

Final Answer

d. Aggregate - it means taking all units as a whole.