Englishfor English speakers
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
decision
Noun
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a decision is a sudden thought, with purpose, before someone does something. After a person makes a decision, the person has knowledge about a thing the person will do.
After much thought, the person made a decision to go to the meeting.
A person sees two roads. The person needs to go on one road or the other. The person makes a decision and goes on one of the roads.
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A decision is the end of a process in a committee. After a committee makes a decision, a record in writing says the important thing.
After much discussion, the committee made an important decision about insurance.