What are the differences between deck screws and construction screws, and which type is more suitable for building a sturdy outdoor deck?

Deck screws are specifically designed for outdoor decking projects, with features like corrosion resistance and a flat head for a smooth finish. Construction screws are more versatile and can be used for a variety of projects. For building a sturdy outdoor deck, deck screws are more suitable due to their weather-resistant properties and specialized design for decking applications.