Layman explaination of segmented sieve

[1vf9z8AR]

Can someone explain in very simple language how segmented sieve is carried out for finding prime numbers in a given range?

[SECMoG1T]

simple enough:
https://www.geeksforgeeks.org/segmented-sieve/

[Thomas1965]

Another good explanation from a SPOJ problem.
https://medium.com/@agilanbtdw/prime-number-generation-in-java-using-segmented-sieve-of-eratosthenes-187af1dcd051