You need to learn about Styles in Word among other things if you are going to use Word.
I will be posting back your page using them well but it will take some time and I am caring for my grandsons right now.
I strongly recommend that you go through the following series of short tutorials. You will save time and frustration. You will definitely be glad you did.
Basic Concepts of Microsoft Word - from Shauna Kelly
Take a look, also, in particular, at
Improving the Bottom Line by Suzanne Barnhill, MVP and
Importance of Styles in Word (the introductory part).