Below is an introduction to Top 5 Teen Magazines from the US and the UK. J-14 Marked to preteen and teenage girls ages 11-19, J-14 --a shortened name of "Just For Teens" --is packed with features like teen gossip, quizzes, fashion advice, posters, and celebrity  interviews in every issue. Some of the magazine's most popular features include: "Hot Topic", "Life's Big Questions" and "Real Life". Throughout the year, J-14 publishes several editions, such as "Summer Entertainment Guide", "Back-to-School Special" and the annual "Best of Year Special and J-13 Teen Icon Awards" issue. Teens who have a passion for pop culture would love a subscription to J-14 magazine! Twist Twist covers the latest fashion and stytles with lots of photos and easy-to-follow how-tos, giving teens both instruction and inspiration to experiment with what works for them. Body image  and relationships are popular topics of interest to teens, and the magazine offers tips on building strong self-esteem. Additional content in every monthly issue inculdes reader polls, teen celebrity gossip, news and interviews. During the yaer, Twist publishes several special editions about seasonal fashion and major teen events, like prom and back-to-school. The magazine publishes a "Best of Year" issue every December. Teens who love fashion and celebrity news would love a subscription to Twist magazine! Discovery Girls First published in 2000, the magazine often addresses the topics of school, sports, and friendship. Content in the magazine is created by girls, which gives it the authentic opinions of its target audience. Each bimonthly issus features quizzes, fashion advice, and games in addition to some regular sections that appear in each magazine. Mant of the following sections that appear in every issue also feature content submitted by readers: "The Worst Day", "Embarrassing Moments", "The Great Debate" and "Mailbag". Young girls and teens would find a friendly, identifiable voice in each issue of Discovery Girls, and parents would approve of giving a gift subscription to this award-winning magazine! Boy's Life First published in 1911, Boy's Life is written for young males ages 6 to 18 and is distributed in two editions. One edition is printed for the youngest members 6-to-10-year-old Tiger Cubs and first-year Webelos Scouts. The other is for ages 11-18 and is aimed at second-year Webelos Scouts through 18-year-old Boy Scouts. A central focus of Boy's Life is encouraging physical activity among boys, like camping, hiking, swimming, and kayaking. Each month, the magazine features articles on history, the outdoors, science, and much more. Fitness, technology, and video game and biik reviews are other common topics Boy's Life often addresses. A subscription to Boy's Life magazine would make a great gift for active young boys! Seventeen Seventeen magazine celebrates teens where they are in life while also providing age-appropriate advice to the complex issues young women face every day. The magazine organizes its content into five sections, such as "Your Body", a range of fitness motivation and encouragement about positive body image, "Love & Guys", advice columns and tips on understanding relationships with the opposite sex, and "Your Awesome Life", personal development tips about hot topics like building confidence and selecting a college, plus inspirational stories about teens. Special editions include the "Back-to-school Issue" in August and "The Freebie Issue" in May. Teens who want to look good, feel great, and be their best would enjoy a subscription to Seventeen magazine! The main purpose of the introduction to the five magazines is  _  .
to distinguish their features to explain the secret to their popularity to encourage the subscription to the magazines to arouse people's interest in reading teen magazines