Here is a line that will help your Clearance be in order, and correct.


Craft

C- Clearance( dosnt always need to be and airport, it can be a VOR ex...)
R-Roue (you can say their exit point then as filed if the route is correct, otherwise you need to read the full ammendment.)
A-Altitude( The intial altitude and crusing altitude.) (keep in mind of US  direction rules show at the bottom)
F- Departure Freq
T-Transponder (squawk) code.


JBU1602 IFR KLGA->KBOS MERIT ORW ORW3 FL230

Lets put that flight plan in craft!

C- Boston Logan Airport
R- MERIT ORW ORW3
A LaGuarda initial altitude is 5,000 and cruising is FL230
F  LSO_DEP 120.4
T 1101

Lets give the clearance with CRAFT helping us!!

Jetblue1602 cleared to the Boston Logan Airport via radar vectors Merit, then as filed. Maintain 5,000 expect FL230 10 mins after departure. Departure on120.4. Squawk 1102.


Well I was a Laguardia Controller at ZNY and it was

Jetblue1602 cleared to the Boston Logan Airport  radar vectors Merit, then as filed. Maintain 5,000 expect FL230 10 mins after departure. Departure freq 120.4. Squawk 1102.

no "via"