Paper vocabulary is also included in the total number of words. In Bibi's paper, tables are used for investigation or summary. Every number and letter in the form is counted in your total number of words, but if your form is a picture, it is not counted.
Some undergraduate schools generally require the number of words in graduation thesis to be 5000-7000 words, but the higher the general education, the higher the requirements, and many require tens of thousands of words.