overview - correct answer summary
row - correct answer A horizontal series of cells in a table.
spy - correct answer a person who keeps secret watch on the actions of others
greeting - correct answer a message that says you hope someone is well,
happy, etc.:
audience - correct answer the listener, viewer, or reader of a text
security - correct answer safety
allergy - correct answer Reaction due to extreme sensitivity to certain foods,
chemicals, or other normally harmless substances.
immune - correct answer being resistant to specific invading pathogens
substance - correct answer A single kind of matter that is pure and has a
specific set of properties.
severe - correct answer of a serious nature; very strict and harsh; causing pain
or hardship
instance - correct answer an example
reliable - correct answer deserving trust, dependable