Dolce&Gabbana (spelled without spaces, unlike the name of the company) specializes on more expensive luxury items, is influenced more by designers and is more formal and 'timeless', responding to long-term trends rather than seasonal changes.
It also sells:
D&G is a more casual line that follows an urban inspiration and attempts to set trends rather than follow them. It is the younger, more flamboyant line of the brand.
It also sells:
D&G Junior is a separate line aimed at children under the age of 11. Similar to the D&G adult line, D&G Junior follows seasonal trends for boys and girls across a range of ages. D&G Junior is more visibly influenced by popular culture compared to D&G, such as the Ibiza line of D&G Junior.