The Ticket Number is a one number from a game numbers pool like from example one of numbers from 1 to 49.
The Draw Number is one number out of all the drawn numbers, like 1 from 6.
In Contact numbers are those ticket numbers that surround any ticket number.
Here is an example ticket view with all In Contact numbers of ticket number: 18
The all numbers that surrounds the ticket number 18 are here 10 11 12 17 18 19 24 25 26
Please note that In Contact numbers also include their base ticket number.
In Contact Numbers Choosing Guide
In majority of game lottery drawings, the new numbers are rather not much crowded, they are more scattered over the ticket view
Here is the example of bad numbers choosing:
All numbers in the ticket below show too many numbers around our sample ticket number 18.
It is rare in standard game types that a new lottery draw contains many numbers from surrounding pool of In Contact Numbers.
Exception is a Keno game where many numbers are drawn.
Here are the good numbers:
Not too many numbers are centered around one ticket number.
Please also read Analysis Base topic how to recognize the new number type