Digital Multimeter Guideline
Parallel Measurements
Parallel measurements include Voltage, Resistance, Diode, Continuity, and Capacitance. As the name suggested, the voltage or resistance must be measured between two points.
Terminals

Voltage Measurement

Resistance Measurement

Series Measurement
To measure the current passing through a point, break the circuit and let the current pass though the multimeter. See the video below (~3 minutes).