The terms water-resistant, water-repellent, and waterproof are often used interchangeably, but they actually have different meanings and degrees of water protection. Here are the differences between them:

This term refers to a material or product that has been treated with a special coating that causes water to bead up and roll off the surface. Water-repellent products are more effective than water-resistant products in keeping water out, but they are still not completely waterproof. For example, a water-repellent backpack may keep the contents dry in light rain, but may not be suitable for heavy rain.

This term refers to a material or product that can resist the penetration of water to some degree, but not completely. Water-resistant products can withstand exposure to water for a short period of time, but will eventually allow water to penetrate. For example, a water-resistant jacket may keep you dry in light rain, but not in heavy rain.

This term refers to a material or product that is completely impervious to water and will not allow water to penetrate under any circumstances. Waterproof products are designed to keep water out even in heavy rain or when fully submerged in water. For example, a waterproof watch can be worn while swimming or diving without being damaged by water.

Overall, the degree of water protection provided by these terms can vary depending on the specific product and its construction. It's important to check the product's specifications to determine its level of water protection before using it in wet conditions.