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Across
  1. 4. Adjective related to business and advertisements;CF
  2. 6. A photo editing app known for its filters and stories feature, popular for sharing moments and visuals. (9 letters)
  3. 7. roundish and white trolls who live in an ice valley in Finland; a series of books and comics created by Tove Jansson.
  4. 8. Flying mammal and use an echolocation to find their way around in the dark
Down
  1. 1. A Korean dish that consists of thinly sliced, marinated beef with fried onions. 어제 석식
  2. 2. The use of imagination or original ideas to make something new
  3. 3. A fictional young wizard who attends Hogwarts School and has lightning-shaped scar.
  4. 5. Abbreviation for media services delivered online, Stands for Over-The-Top. (3 letters)