The preposition dans usually means "in," but as always there are exceptions. Dans can't be followed directly by a noun - it's always followed by some kind of determiner, such as an article or possessive adjective.
The French definite article (le, la, l', les) indicates either a particular noun or, contrarily, the general sense of a noun. It's used similarly to its English counterpart, but there are many instances where a definite article is required in French but not English.
Setting up an online dating profile, talking to friends about someone you met, bragging about a new baby, and telling the police about a suspect have one thing in common: physical descriptions. Learn all the French vocabulary you need to describe the most common physical characteristics.
When it's your turn to set the table, you definitely need to know the difference between une assiette and une serviette. Check out this lesson to learn the French names for a variety of dishes, silverware, and pots and pans.