sampler

definition: a piece of embroidery demonstrating skill with various stitches
example:
speech part: noun
synonyms:
definition: an observation station that is set up to make sample observations of something
example:
speech part: noun
synonyms: sampling station
definition: an assortment of various samples
example: a candy sampler
speech part: noun
synonyms:
definition: someone who samples food or drink for its quality
example:
speech part: noun
synonyms: taste tester taste-tester

How sampler is being used?