No more and no less than; precisely.

something that is kept or meant to be kept unknown or unseen by others. Information that others do not know.

artificial underground passage. Passages under the ground often for cars or trains. To dig a hole from one side to another.

Having a big effect on (person, the future).

allow or enable to escape from confinement.

Organized set of beliefs about a god or gods.

To hold something inside something else.

Unusual; hard to understand or work out.

causing indignation or disgust. To cause great surprise, horror, or anger.

Expressed using writing. To invent or create a computer program. To compose letters and words on paper of a screen.

piece of written, printed, or electronic matter that provides information or evidence. Official (printed) records that gives information. record something in form.

To find something new that was not known before.

person who studies human history and prehistory. Scientist studying ancient societies.

Highly likely to be true but not certainly true.

occupation, profession, or work of teacher. Wise words of people (often famous).