Rectangles are among the most prevalent shapes found in our daily lives, from the screens we gaze upon to the books we read. The term ‘rectangle’ comes from the Latin ‘rectangulus’, which is a combination of ‘rectus’ (right) and ‘angulus’ (angle), signifying the four right angles that characterize this shape.

When it comes to geometry, a rectangle is defined as a quadrilateral with four right angles. This simple yet powerful shape is a cornerstone in the field of mathematics and design due to its properties and the ease with which it can be calculated and constructed.

**Recommendations for Practical Applications:**

- In architecture, rectangles serve as the foundation for planning spaces, ensuring rooms are functional and aesthetically pleasing.
- In technology, rectangular screens are the standard due to their optimal aspect ratio for viewing content.
- In art, rectangular canvases provide a harmonious space for artists to express their visions.

**Detailed Review of Rectangle Properties:**

**Area Calculation:**The area of a rectangle is found by multiplying the length by the width ($text{Area} = text{length} times text{width}$).**Perimeter Calculation:**The perimeter is the total distance around the rectangle, calculated as $2 times (text{length} + text{width})$.**Golden Ratio:**Some rectangles, like the golden rectangle, have proportions that are considered aesthetically pleasing, with a ratio of 1:1.618.

Rectangles not only shape the world around us but also offer a window into understanding more complex mathematical concepts. They are a testament to the beauty and simplicity found in geometry. Whether you’re a student, a designer, or simply a curious mind, the humble rectangle is a shape that offers endless possibilities for exploration and application.