tell
This word carries a sense of direct transmission and authority. It is more active than say; while saying focuses on the words spoken, telling focuses on the delivery of a message or the imparting of knowledge to a specific recipient. It often implies a directional flow of information from a source to a target. In social contexts, it frequently appears in the context of revelation or confession, such as telling a lie or telling the truth. It also functions as a tool for discernment, where the ability to tell something apart suggests a keen eye for detail or an intuitive understanding of a situation.
Meanings
To communicate information or a story to someone.
"I will tell you the secret."
To instruct or order someone to do something.
"The boss told me to finish the report."
To be able to perceive or recognize a difference.
"I can tell that you are nervous."