If you choose to focus on angelic presences  and invite them into your life they must become a part of your subjective reality they cannot impose themselves on your reality because signs are their most fluent  form of discourse perhaps the easiest way to communicate with angelic life forms is to ask for help or an answer, and then tel go if you keep your eyes open and allow the answer to show up in the form of a sign then, it will for example you could ask a question and then be driving in your car later that day and then a song will come on  and the lyrics of that song will pertain exactly to the question you were asking another example is 