Wordpress and blogger are both website hosting services. Go there to make your blog.
WordPress's official website would be the first place to start. There they have information in relation to building a blog and website so you can get started.
Wordpress itself is free but you would pay for the hosting service. You can set up a Wordpress blog hosted at their website for free. (See links below)
The term blog comes from the shorting of the phrase "web log". A blog is basically an online journal. You can write about just about anything. Some blogs are personal, while others are for businesses. Some free blogging platforms are Blogger, Wordpress, and Livejournal.
Search the web. There are many website with layout to download. If you're looking for a Wordpress design search for "Wordpress design template".
If you make your blog using Wordpress then thay have many templates where you can customize the header and include your own images.
With WordPress, I recommend getting Windows Live Writer (see related links). then insert your information and it will detect your blog from there you can do anything!
One easy way to implement a shopping cart functionality to a WordPress blog is to install the PayPal plugin to the website. PayPal allows for credit card and online transactions.
A Wordpress account is a account at Wordpress.com. Wordpress is a blogging plataform. With an account you can make comments and own a blog. Notice that you don't need an account to make comments, but having one improves the experience.
After installing Wordpress in your Web space , Go to the dashboard and select import . Here you can provide your blogspot address and you need log on to your Blogger account to allow Wordpress to access your blog content . Now your Blogger blog will be completely transferred to Wordpress .You may change the default Wordpress permalinks structure of you want to maintain your traffic as before .
There are two ways to add Google ads. The first is to add the Wordpress Plugin "adsense" at the Wordpress website. The other is to go to Google's AdSense page and see the manual coding they offer.
WordPress is actually a powerful web design app or blog maker .Just by adding some plug in you can customise your site/blog.