What is the meaning of the Church? and what is all about in Church,can it be the same in the 1st century?

or is it the same as the 1st century christians Church? pls. explain,all the characteristic,the formation,the teachings,the people,the goal the where abouts only if'is it true? only christians' could answer it'' or any one,that had wisdom in their mouth since childhood,but walks in the path of being a natural,and dont think and mind any and knowledge sleeps with them''i know there is wise among you''and i knew God is in the righteous race,that kindness grows knowledge and wisdom''be well known and informed let be shine in the midst of the people,now is the time that ye nation of God must speak what ye believe is right,the ends of the times think and be aware am i in the right house of prayer?''take the oppurtunity not all honest men of words you will see dwelling in the air of web some are in their mission moving place to place thank you all for reading my YA questions and answers''be strong in the faith and a good works to the Lord'' may the eastcloud bring winds to cool the land,amen