When you ask someone what "Reformed" means, you could get a whole host of responses. Some think that it is a defined liturgy (prayers, readings, saying, etc.), others think it's simply a name on the church, still others might simply tell you they have no idea. While there are several distinctive themes of Reformed theology, the first one which stands out is the centrality of the Word of God. In all matters of faith and life, we are to subject our thoughts and beliefs to Scripture. Yes, our experiences, traditions, and reason all play a part in interpretation.
Follow: go after (someone) in order to observe or monitor; treat as a teacher or guide
Luke 5:27-28: After this, Jesus went out and saw a tax collector by the name of Levi sitting at his tax booth. "Follow me," Jesus said to him, and Levi got up, left everything and followed him.
This is from Carson's opening chapter in Worship by the Book. I'll let his words speak for themselves:
SALE: the exchange of a commodity for money; the action of selling something
STRUGGLE: strive to achieve or attain something in the face of difficulty or resistance