All and Both

All adjective - Not divided or scattered among several areas of interest or concern.

Both and all are semantically related. In some cases you can use "Both" instead the word "All" as an adjective or a pronoun.

Both adjective - (used with count nouns) two considered together; the two.

All and both are semantically related. Sometimes you can use "All" instead the word "Both" as an adjective or a pronoun.