Cessna MC465Y you're 4 miles from JERIT, Turn Left Heading 300, Maintain 3000 until establish, you're clear ILS3-4 for the approach into Boston.
PTAC - Position Turn Altitude Clearance
P _position is where you are (you do not need to repeat back to ATC
T - Turn to intercept the Approach
A - Altitude altitude you're already at
C - Clearance is typically what you've requested.
IFR Clearance
CRAFT Clearance - Route - Altitude- Frequency - Transponder
RAFT
5' T
Time
Turn
Twist
Throttle
Talk
5 A's
ATIS
Altimeter
Alignment
Approach
Avonics
Holding Pattern
Direct
Parallel
Tear Drop
Reference
https://www.faa.gov/air_traffic/publications/atpubs/aip_html/part2_enr_section_1.5.html
https://www.redbirdflight.com/landing/instrument-approaches-five-as-and-ts