Matching Pairs BEL19 VDOnline version ............. by Tea Cher 1 Effortless 2 Assist 3 Synchronize 4 Highlighter pen 5 Comprehend 6 Tablet 7 Stylus 8 Be engaged in something 9 Built-in To be actively involved in an activity or process. The ability to understand something, such as a language, concept, or idea. A portable electronic device with a touchscreen interface A pen-shaped tool used to interact with a touchscreen device To help someone or something to do something. Done without difficulty or exertion. Incorporated as a standard feature of something. A pen used to mark important text by highlighting it with a translucent, fluorescent ink. To cause two or more things to happen or operate at the same time or rate.