caveman; troglodyte

even if one says

way; method; manner

to use / to employ / to make use of, to apply / to spend

to discover

discovery

fire / a flame / cooking fire / a firestarter / sparks / light (matches or lighter)

to say, to tell somebody / to call, to name, to give a name / to cry, to call, to make a noise (such as an animal)

in other words; what I (you, etc.) mean is

to startle; to surprise; to astonish