"Specialist areas" refers to specific fields or subjects in which a person or group has expert knowledge, skills, or experience. It represents a particular focus or expertise in a particular subject or area. Full definition
As teachers continued to explicitly teach literacy skills, their ability and confidence to assess and improve student abilities in specialist areas of the curriculum also improved. (teachermagazine.com.au)
We also have strong relationships with other leading firms around the world who have expertise in specialist areas. (boodlehatfield.com)
Administrative assistance may cover all areas of government activity including specialist areas such as health, education and economic development. (vanuatu.usp.ac.fj)