Questões sobre Interpretação de texto | Reading comprehension

The phrase “That is” in “That is, it implies approaching texts in a reflective way” (1st paragraph) can be replaced without change of meaning by

By using the phrase “throw it out”, the poster recommends that one should

When the author uses the expression “the tail end of this period” (1st paragraph), he is referring to its 

The gist of this cartoon depends on the reader

According to the 2^nd paragraph, in relation to the industry’s practices, the function of the “digital curtain” was to