selector vs trademark

selector

noun
  • Someone or something which selects or chooses. 

  • An administrator responsible for selecting which players will play for a side. 

  • A matching expression in a stylesheet determining which elements in the markup are affected by a style. 

  • A text string transmitted to a Gopher server, identifying the resource to be retrieved. 

  • A person who is entitled to choose a tract of Crown land to purchase. 

  • A pointer to a structure describing a segment of memory. 

  • A disc jockey. 

trademark

noun
  • The aspect for which someone or something is best known; a hallmark or typical characteristic. 

  • Any proprietary business, product or service name. 

  • A word, symbol, or phrase used to identify a particular company's product and differentiate it from other companies' products. 

adj
  • Distinctive, characteristic, signature. 

verb
  • To register something as a trademark. 

  • To so label a product. 

How often have the words selector and trademark occurred in a corpus of books? (source: Google Ngram Viewer )