Theory:

Meaning of difficult words from the poem "Geography Lesson":
  
S.No
Words
Meaning
1
JetA fast plane
2
InevitabilityCannot be avoided
3
HaphazardWith no particular order
4
SprangTo jump quickly
5
BustlingNoisy and full of activity
6
DisorientedUnstable
7
PriorityMore importance
8
ComfortThe state of being relaxed
9
UnperturbedNot disturbed
10
DisarrangedNot in proper arrangement
11
FeetA means of measurement; one foot measures the length of a human foot
12
ValleysThe land between mountains with a river flowing across it
13
PopulatedHaving a lot of people
14
DelineatedDescribes exactly
15
AmenitiesSomething that is needed to provide comfort
16
MilesA measure of length. approximately 1.6 km
17
MysteriesSomething that holds suspense
18
MaterialisticSomething that can be touched or seen las an object; anything that money could buy
19
TerritoryAn area of land that is owned by someone
20
BoundariesA line that marks the limits of something