If you want to incorporate slurs in your musical performance, you should definitely use a (D) legato. Legato is <em>a term that is used to refer to a situation where musical notes are played in a smooth and interconnected manner</em>.
Musicians that use this articulation device would find that notes would transition from one another without any pause in the middle. Various instruments (including vocal music) can use slurring techniques.
There are many different types of articulations, each with a different effect on how the note is played but in music notation articulation marks include the "LEGATO".
