Minima refers to the lowest points on a graph or the smallest values of a function. These points represent the minimum values of a function.
Maxima: Maxima are the highest points on a graph or the largest values of a function.
An inflection point is where the concavity of a curve changes, indicating a change in direction.
Absolute extrema refer to both maxima and minima, representing the overall highest and lowest points on a graph or function.