The introduction and subsequent addition of Beats turned the stack into a four legged project and led to a renaming of the stack as the Elastic Stack.
LK Domain Registry Technical Team bring you the latest updates to share knowledge ELK and it's functions/
E- Elasticsearch L- Logstash K- Kibana
Help your self to find more details : http://techblog.domains.lk/2020/12/elk-stack-elasticsearch-logstash-and.html