Englishfor English speakers
standard
Adjective
—
If something is standard, it is typical or usual.
The store sells standard American food.
standard
Noun
—
A standard is a quality that is the minimum or usual.
percent correct is the standard for an A at our school.
—
A standard is a military or ceremonial flag carried on a pole or hoisted on a rope.
a
Determinative
—
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
—
A is the first letter of the alphabet.
The letter "a" comes before "b".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.