Indicate valleys, hills, steepness and gentleness of slopes.
Frequency is inversely proportional to wavelength.
Wavelength is the spacial period, and more generally the frequency is inversely proportional to the period.
If the wave's speed if c, then f=c/l where l is the wavelength.
This would have to be jogging
Answer: demesne lands
Explanation:
" (demesne lands) which were for the personal use of the lord of the manor."