An aisle is a passage between rows of seats or shelves (think grocery store). Isle refers to an island, typically a small one.
In American Style, punctuation typically goes inside quotation marks. For British English, punctuation usually goes outside of quotation marks. Exceptions exist in either case.
When you use “but” to join two independent clauses (each of which can stand alone as a sentence), a comma should be placed before “but”.
Use commas before “and” when joining two independent clauses to form a compound sentence. Sometimes, a comma is used after ‘and’ in a series or list.
Awhile (one word) is an adverb that means “for a period of time”. A while is a noun phrase that means an unspecified period of time.
Apart is an adverb that indicates separation. A part uses the article “a” with the noun “part”, and means a piece of something larger.
Capital is the correct word for capital city. Capitol refers to a building or buildings occupied by the state legislature; e.g., the Capitol building in Washington D.C.
Read the GrammarFlex guide on the 8 main rules of comma use in English grammar and writing.
Rational is an adjective that describes someone or something as sensible or reasonable. Rationale is a noun that refers to a set of reasons or logic behind something.
Things we can see, touch, feel and count are concrete nouns. Abstract nouns name nonphysical ideas, emotions, states and qualities, like empathy, justice and buddhism.