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I am confused about some similar words in Japanese. Where in English we can
use the same word for "implement" and "capacity", Japanese seem to be using
different words depending on situation. Any chance someone could explain the
difference between the words in the two sets of words below:

**実装** = **実現** = **実施** = Same **implement** meaning?

**容量** = **Capacity** (e.g. for a hard drive) **容積** = **Capacity** too?
**体積** = **Capacity** for tangible things?

Which word to use in which situation? I'm very confused.

Many thanks in advance!
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2020-11-29T23:56:03.503
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2020-11-30T08:22:01.030
2020-11-30T05:55:16.090
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question
word-choice words kanji
I'd like to know the difference between various ways of saying 'Capacity' and 'Implement' in Japanese
Each kanji tells its meaning.

  * **実装** : Because 装 means "mount" or "install", the word means implementing something on machines (hardware and software) for it to work.

  * **実施** : 施 means "exert" or "extend", so the word is for implementing rules, strategy, or activity to make people act in some ways. It does not translate such "implement" for all situations. This one is for something mainly affecting other people than the planner; **実行** is better for what yourself mainly do; **遂行** if it is a task rather than your initiative; **履行** if promise; and so on.

> 社会調査を実施する _conduct a social survey_  
>  オリンピックを実施する _Olympic Games take place_ (rather than not)

  * **実現** : 現 = "appear; be present". I don't think it corresponds to "implement" in many cases. Its core meaning is "materialize" or "fulfill", so if something is "implemented", it is probably "materialized" too. As an aside, the reversed 現実 is totally different thing "reality".

  * **容量** : 容 = "contain", 量 = "mass". Thus it means how much bulk, such as those of wheat or water, a container can hold, but also by extension, data (of storage) or people (of building) etc.

  * **体積** : It means _volume_ , which is 体 = "cubic", 積 = "expanse".

  * **容積** : 体積 a container has inside. Of course it is equivalent with 容量 under the scientific definition, but rather focused on how much space (physical only) it has.

* * *

**PS** : If you ask about a server machine's 容量, I'd likely answer in bytes.
If its 容積, likely in liters or cubic meters.
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2020-11-30T07:10:25.477
82880
2020-11-30T08:22:01.030
2020-11-30T08:22:01.030
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answer