Terminology

Name	Description
Buildspec	is a YAML file that buildtest interprets when generating the test. A Buildspec may contain one or more test that is validated with a global schema and sub schema.
Schema	is a JSON Schema file (.schema.json) that defines structure of a buildspec file and it is used for validating a buildspec
Global Schema	is a JSON schema that validates buildspec file. buildtest will validate all buildspecs with global schema
Sub Schema	Each test section in a buildspec file is validated with one sub-schema defined by type field. The buildspec test section can only be validated with one sub-schema
Test Script	is a generated shell script by buildtest as a result of processing one of the Buildspec.
Settings	is a buildtest configuration file in YAML that configures buildtest at your site. The Settings file must be compatible with the Settings Schema.
Settings Schema	is a special schema file that defines structure of buildtest settings.
Executor	is responsible for running a TestScript. An executor can be of several types such as local, slurm, lsf which defines if test is run locally or via a scheduler. The executors are defined in the Settings file.