Known as the "tuteo," the "ustedeo" and the "voseo," Carlos explains the historical roots and evolution of these varying ways of saying "you" in different parts of the Spanish-speaking world. Factors which affect which form is utilized by a particular person in a particular situation include that person's country of origin as well as the relationship between the speaker and the person to whom he or she is speaking.

Freshly out of college, Cleer Oviedo sets up an interview for a potential marketing job.

Carolina explains the importance of agreement with possessive adjectives, which must always agree both in number and in person with the nouns they modify.

Carlos explains to us the three manners of addressing a conversational partner in Spanish: "tú," "usted" and "vos." Although all three of these personal pronouns could be translated as "you," the one that is utilized in a particular context depends upon factors such as the region where one lives as well as one's relationship with the person with whom he or she is speaking.

Carolina introduces us to the concept of possessive adjectives and gives us some examples of their long and short forms.

In this final part of the videos dedicated to accentuation, Carlos explains diphthongs, triphthongs and hiatuses.

Carlos explains the four groups into which Spanish words are classified depending upon which of their syllables is accented as well as the rules regarding written accents.

Spanish singer Huecco performs his 2011 hit, "La brújula" ("The Compass"), from his album, "Dame vida" ("Give Me Life").

Carlos continues his series on accentuation by teaching us a few more rules regarding accent placement.

Carlos gives us some preliminary rules about how to divide Spanish words into syllables.

Luis receives a class in the basics of astrology, a science which utilizes the location of the planets when individuals are born and may help us to make decisions about specific aspects of our lives during specific periods.

In this second part of his lesson about accentuation, Carlos explains to us about monosyllabic, disyllabic, trisyllabic and polysyllabic words.

Watch Spanish pop band La Oreja de Van Gogh's music video for "El primer día del resto de mi vida" (The First Day of the Rest of My Life).

As an introduction to our lesson about accentuation, Carlos explains some different ways in which the word "accent" may be used.

Puerto Rican duo Calle 13 and famed Cuban singer-songwriter, Silvio Rodriguez, team up to bring us this tune about how love can turn one's world around. Its charming video won the 2015 Latin Grammy award for Best Short Form Music Video