Keyboard skills

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Across
  1. 2. I help you to delete the letter to the left of the cursor.
  2. 4. You can use me to type numbers.
  3. 5. I help you to type the letters of the English alphabet.
Down
  1. 1. I am like an Ok button.
  2. 3. You can give blank space between letter, numbers, and words using me.
  3. 6. I help you to move the cursor in up, down, left, and right directions.