The abbreviation that's shown after a word in the dictionary tells you what part of speech the defined word is.
The word could be defined as a:
noun (n)
pronoun (pron)
adjective (adj)
adverb (adv)
verb (vb)
conjunction (conj)
preposition (prep)
interjection (interj)
Revealing, distinguishing, or typical of an individual character
One example would be<span> me, the other lifeguards, and the swimmers.
Under categories of Agencies, pentad refers to The group of people or the organization that committed to a certain action within a certain environment
In a swimming pool, lifeguards, customers, and swimmers are the group of people that doing the action.</span>
Because giving a speech allows plenty of thought and preparation and it also shows that you are very confident than giving a persuasive essay.