Sentences which are punctuated correctly are:
- Darren told me about his travels to different tropical islands: Hawaii, Puerto Rico, and Jamaica.
-There are several activities to choose from at the resort: snorkeling, swimming, and hiking.
Punctuation are used to organize a sentence additionally to create more clear sense and stress in a sentence.
In the above sentences, The punctuation Colon (:) organizes the sentence properly when placed rightly. Colon is used preceding any list, explanation, description or definition.
Colon is one of the punctuation which is used to:
1. Lay emphasis
Example: He loved just one: Bruno, his dog
2. To present dialogue ( we write the name of the speaker and then insert colon followed by his/her dialogue.)
Example: Rita: How are you?
Mary: Fine, and you?
3. Clarify composition titles ( to explain parallel ideas colon is used in compositions like lectures or book titles), and
Example: Rousseau’s Dog: Two Great Thinkers at War in the Age of Enlightenment
4. To introduce text or lists.
Example: Three types of Subordinate or Dependent Clauses are: Adjective clause, Adverb clause and Noun clause
