Skimming and scanning strategies are essential to optimize reading comprehension in English. Analyze the statements below:

I. Skimming is the strategy of reading a text quickly and superficially, focusing on elements such as titles, subtitles, cognates, and the first and last paragraphs, with the goal of grasping the main idea (the "gist").
II. Scanning is the strategy of rapidly searching for a specific piece of information in the text, such as a name, a date, a number, or a keyword, running one's eyes over the text without reading every word.
III. Skimming is the term used for detailed, analytical reading of a text, focusing on every word and grammatical structure for deep comprehension.

Which statements are correct?