Terms

This topic describes the terms used in SLS.

No.	Term	Description
1	project	A project in Log Service is used to isolate the resources of different users and control access to specific resources.
2	Logstore	A Logstore in Log Service is used to collect, store, and query logs.
3	Metricstore	A Metricstore in Log Service is used to collect, store, and query metrics.
4	log	Logs are records of changes that occur in a system during the runtime of the system. The records contain information about the operations that are performed on specified objects and the results of the operations. The records are ordered by time.
5	log group	A log group is a collection of logs. A log group is the basic unit that is used to write and read logs. Logs in a log group contain the same metadata, such as the IP address and log source.