In most browsers the shorter and more specific variant of the code will run faster (in some instances much faster) than the second variant and so it makes sense to use the shorter and more specific version. It also makes the code easier to read and maintain.
In the United States and Canada frozen ice on a stick is generically referred to as a popsicle due to the early popularity of the Popsicle brand, and the word has become a genericized trademark to mean any ice pop or freezer pop, regardless of brand or format.
The words water and fluid are often used interchangeably when discussing the intake of liquids by mouth to maintain good hydration. Water is indeed a fluid, but it is just one type. All liquids, including broth, fruit juice, coffee and soft drinks, are classified as fluids.