Punctuation

Below are notes on common punctuation:

• Full stop or period (.)
• Question mark (?)
• Comma (,)
• Exclamation mark (!)
• Brackets ( )
• Colon (:)
• Dash (-)

Spelling: act of writing or saying the letters of a word in their proper order; way in which a word is spelled.

Article 
Article consist of a, an and the. The article the is called the definite article. The article a and an are called in definite articles.

Tense
Tense is derived from the Latin word for time. It shows the relationship between the time of the action and the time of speaking or writing of the sentence.