This means that at least 10 hours per week are spent learning a foreign language. Foreign language learning is quite different from other types of learning and cannot be put off until the last minute. Because learning a foreign language involves much memorization and continual review, each person needs to find his or her own way of aiding the memorization process. For learning vocabulary, some people like make flash cards. Flash cards may consist of the English word or phrase on one side and the Spanish on the other, or they might contain pictures of objects with the Spanish on the other side.
Some people find lists of words and expressions a help.
We need to discover the method that works best for ourselves and then use it. You will need to pay special attention to the rules given in the text and workbook, and work carefully through all the exercises. The text and workbook are very clear as to the order in which you should do things. You will soon find you can get the gist of what is going on without knowledge of every single word. As you continue with the series, you will understand more and more.