I need to access component when click link but not change UR

Question

I work on web app done by angular 7

I need when click on any item on list on have router link on nvabar.component.html go to specified component on router link

without change URL .

navbar.component.html

<div id="z2-2cols-leftpanel">
<ul class="z2-leftpanel-ullinks">
<li>
<a routerLink="/overview" class="active z2tabBtn" data-z2tab="overview_content">
<div class="z2iconfont icon-Basic-Info"></div>
<div class="ulllinks-text">Overview</div>
</a>
</li>
<li>
<a routerLink="/family" class="z2tabBtn" data-z2tab="family_content">
<div class="z2iconfont icon-Cross-Reference"></div>
<div class="ulllinks-text">Family</div>
</a>
</li>
<li>
</ul>
</div>

in app-routing.module.ts

{ path: 'overview', component: OverviewComponent },
{ path: 'family', component: FamilyComponent }

on overview.component.ts

import { CompanyService } from './../../service/company.service';
import { Component, OnInit } from '@angular/core';
import { PartDetailsService } from 'src/app/service/part-details.service';


@Component({
selector: 'app-overview',
templateUrl: './overview.component.html',
styleUrls: ['./overview.component.css']
})
export class OverviewComponent implements OnInit {

public companyProfile;
constructor(public partDetailsService: PartDetailsService
, public companyService: CompanyService) {
}

ngOnInit() {
console.log("welcome overview component ");
}

so I need when click on link overview on navbar.component.html

go to component overview and show welcome on console without change URL

so

How to do that please ?

current status is when click on link overview exist on navbar it go to overview component

but it change URL

what i need is when click overview link go to component overview but not change URL ?

Example

suppose i have URL localhost:4200/family

when click overview component go to overview component but not change URL to localhost:4200/overview meaning

link localhost:4200/family will be in URL although i click overview component and show message on console welcome overview