7things is an educational website with a simple, intuitive, and interactive interface designed to provide in-depth knowledge about a wide array of subjects. The website operates on a unique system that revolves around the number "seven". The website aims to teach seven key aspects of any given topic, and each of these seven aspects is divided into seven levels of increasing complexity and depth. This unique approach ensures that users can understand the subject matter from the basics and gradually explore more nuanced aspects.

The layout of the site is organized so that one topic is highlighted each day. The Daily Focus is designed to encourage users to dive deep into a specific subject, exploring its seven aspects throughout the day, from the simplest to the most complex. This allows users to immerse themselves in the subject and absorb the information in a progressive, structured manner.

One of the most dynamic aspects of 7things is that it allows its users to suggest and add new topics. These user-contributed topics then undergo a review process by subject matter experts to ensure the information is accurate and valuable. Once approved, the topics are structured and divided according to the seven-aspect format, offering users an ever-growing, diverse learning platform.

The benefits of using 7things are manifold:

1. Structured Learning: Each topic on 7things is broken down into seven key aspects, each of which is further divided into seven levels of information. This ensures a smooth learning curve, making it easier for users to grasp complex subjects.

2. Variety of Subjects: 7things covers a vast range of topics, from sciences to humanities, and from popular to niche subjects. This provides an opportunity for users to learn about a variety of subjects of their interest.

3. User Contribution: The feature of user-suggested topics makes the learning experience more interactive and personalized. This also helps the website to stay updated with trending subjects and unique areas of interest.

4. Daily Focus: Highlighting one topic per day allows users to concentrate on one subject at a time, resulting in more focused and immersive learning.

5. Expert Validation: The expert review process ensures the accuracy and validity of the information presented, providing a reliable source of knowledge for users.

6. Self-paced Learning: As the topics are always available, users can revisit previously studied topics or study new ones at their own pace, making the learning process more flexible.

7. Community Building: By encouraging users to suggest topics, a sense of community is nurtured within the website, making learning more collaborative and enjoyable.

In conclusion, 7things is a comprehensive and user-friendly platform that redefines online learning through its unique, seven-tier structure. It caters to various learning styles and promotes deep understanding of various subjects in a highly organized and engaging manner.