What does el, la, los, and las mean?

Somebody, me with this one! read the text and write an email following the instructions indicated in the text. you have an e-pal from paraguay. you have received an email asking you about your family. in spanish, write an email describing at least two of your family members from two different generations. give as much detail as possible (age, physical description, personality, etc.) so that your new e-pal will appreciate how unique your family is. be sure to ask him/her questions about his/her family as well as something about the culture that you learned about his/her country. you also need to use at least three different possessive adjectives and since this is an email communication, start with a greeting and end with a goodbye.