Define the following terms: - close-up - portraiture - straight photography

Close Up - A close-up is a type of shot that frames a person very closely with displaying every detail of the particular feature.  Close up photo is taken through zooming on a particular area.

Portraiture - Portraiture or Painting is a form of creating portraits with colors which did not require a camera. Portraits are drawn by artists who create a representation of a person, with face and its expression. Portraits are drawn by studying the person form in a still position.

Straight photography - Straight photography refers to the photography that tries to represent a scene as realistically by focusing on a particular subject and giving details.  

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where and what are the statements?