Adjectives are a category of the parts of speech. They are words that are used to give more information about a noun or noun phrase.
The suffix "-esque" is sometimes added to nouns in order to make them adjectives. It means "resembling" or "appearing to be." Picturesque therefore means to "look like a picture." Other similar adjectives are Romanesque, arabesque and statuesque.
When you add the French suffix -esque onto the noun picture, you get the word picturesque, which is an adjective. Adjectives are words used to describe nouns and pronouns. So, you can say - <em>The sight before us is really picturesque,</em> meaning that it looks as if it were a picture.
He should use a hands on, interactive approach where the audience gets to try using the computer buttons and features. Your text will have a word that means hands on or interactive.