Of the highest rank or position; of the greatest importance; of the highest priority.
Positioned in front of (all) others in space, most forward.
Coming before (all) others in time.
Closest to the bow.
In front, prominently forward.
First in time.
Most importantly.
essential; extremely important
Related to a foundation. base, or basis; serving as a foundation.
The lowest frequency of a periodic waveform.
A main or major principle, rule, law, etc. which serves as the foundation or basis of a system; an essential part
The lowest partial of a complex tone.