Symbols

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Across
  1. 3. Graphical sign using minimalist design (noun)
  2. 4. Symbol has to be easy to ____ (verb)
  3. 7. Spreading very quickly over the internet (adjective)
Down
  1. 1. In the past, direction of thumb decided fate of ____ (noun - plural)
  2. 2. Second word of acronym WP (noun)
  3. 5. Movement of head used to greet someone (noun/verb)
  4. 6. Title of this presentation (noun - plural)