data point
It refers to a data record.
metric
It is used to store data. It contains multiple data records, and one data record contains multiple columns.
tag
It describes the system or device and supports filtering and aggregate operations. It is similar to a column in a relational database.
field
It records the system or device status and supports the aggregate operation. It is similar to a column in a relational database.
options
It is the configuration information for metric creation, including common settings such as data expiration time, number of metric shards, and number of replicas.
timestamp
It records the data occurrence time.